package com.baidu.ueditor.upload;

import com.baidu.ueditor.PathFormat;
import com.baidu.ueditor.define.AppInfo;
import com.baidu.ueditor.define.BaseState;
import com.baidu.ueditor.define.FileType;
import com.baidu.ueditor.define.State;
import com.cbwl.eoas.common.util.oss.OSSClientUtil;

import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileItemIterator;
import org.apache.commons.fileupload.FileItemStream;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

public class BinaryUploader {

	public static final State save(HttpServletRequest request,
			Map<String, Object> conf) {
		FileItemStream fileStream = null;
		boolean isAjaxUpload = request.getHeader( "X_Requested_With" ) != null;

		if (!ServletFileUpload.isMultipartContent(request)) {
			return new BaseState(false, AppInfo.NOT_MULTIPART_CONTENT);
		}

		ServletFileUpload upload = new ServletFileUpload(
				new DiskFileItemFactory());

        if ( isAjaxUpload ) {
            upload.setHeaderEncoding( "UTF-8" );
        }

		try {
			FileItemIterator iterator = upload.getItemIterator(request);

			while (iterator.hasNext()) {
				fileStream = iterator.next();

				if (!fileStream.isFormField()){
					break;
				}
				fileStream = null;
			}

			if (fileStream == null) {
				return new BaseState(false, AppInfo.NOTFOUND_UPLOAD_DATA);
			}

			String savePath = (String) conf.get("savePath");
			String originFileName = fileStream.getName();
			String suffix = FileType.getSuffixByFilename(originFileName);

			originFileName = originFileName.substring(0,
					originFileName.length() - suffix.length());
			savePath = savePath + suffix;

			long maxSize = ((Long) conf.get("maxSize")).longValue();

			if (!validType(suffix, (String[]) conf.get("allowFiles"))) {
				return new BaseState(false, AppInfo.NOT_ALLOW_FILE_TYPE);
			}

			savePath = PathFormat.parse(savePath, originFileName);

			String physicalPath = (String) conf.get("rootPath") + savePath;

			InputStream is = fileStream.openStream();
			
			/**
			 * 将选中图片上传到oss中
			 */
		   //*******************开始***********************  
		   String fileName = new StringBuffer().append(new Date().getTime()).append(fileStream.getName().substring(fileStream.getName().indexOf("."))).toString();  
		   State storageState = null;  
		   
		   
		   System.out.println("oss路径======="+ossClient.getImgUrl(fileName));
		   
		   try {  
			   OSSClientUtil ossClient = new  OSSClientUtil();  
			   ossClient.uploadFile2OSS(is, fileName)
		      storageState = StorageManager.saveFileByInputStream(is,  
		      physicalPath, maxSize);  
		    storageState.putInfo("state", "SUCCESS"); 
		    //注意：下面的url是返回到前端访问文件的路径，请自行修改  
		    storageState.putInfo("url",ossClient.getImgUrl(fileName));  
		    storageState.putInfo("title", fileName);  
		    storageState.putInfo("original", fileName);  
		   } catch (Exception e) {  
		   
		    storageState.putInfo("state", "文件上传失败!");  
		    storageState.putInfo("url","");  
		    storageState.putInfo("title", "");  
		    storageState.putInfo("original", "");  
		             //System.out.println("文件 "+fileName+" 上传失败!");  
		   }  
		
		   //********************结束**********************  
			
			
			is.close();

			if (storageState.isSuccess()) {
				storageState.putInfo("url", PathFormat.format(savePath));
				storageState.putInfo("type", suffix);
				storageState.putInfo("original", originFileName + suffix);
			}

			return storageState;
		} catch (FileUploadException e) {
			return new BaseState(false, AppInfo.PARSE_REQUEST_ERROR);
		} catch (IOException e) {
		}
		return new BaseState(false, AppInfo.IO_ERROR);
	}

	private static boolean validType(String type, String[] allowTypes) {
		List<String> list = Arrays.asList(allowTypes);

		return list.contains(type);
	}
}
